Fixes

modules/Movecraft/src/main/java/net/countercraft/movecraft/async/AsyncManager.java

@@ -925,6 +925,7 @@ private void clear(Craft c) {
 
     private void clearAll() {
         for (Craft c : clearanceSet) {
+            c.setTranslating(false);
             c.setProcessing(false);
         }
 

modules/Movecraft/src/main/java/net/countercraft/movecraft/craft/ChunkManager.java

@@ -59,7 +59,7 @@ public void run() {
                 ChunkManager.removeChunksToLoad(list);
             }
 
-        }.runTaskLaterAsynchronously(Movecraft.getInstance(), 200L);
+        }.runTaskLater(Movecraft.getInstance(), 200L);
     }
 
     private static void removeChunksToLoad(List<MovecraftChunk> list) {

modules/Movecraft/src/main/java/net/countercraft/movecraft/craft/CraftManager.java

@@ -47,9 +47,11 @@ public class CraftManager implements Iterable<Craft>{
     @NotNull private final ConcurrentMap<Craft, BukkitTask> releaseEvents = new ConcurrentHashMap<>();
     @NotNull private Set<CraftType> craftTypes;
     @NotNull private final WeakHashMap<Player, Long> overboards = new WeakHashMap<>();
+    private static Thread serverThread;
 
     public static void initialize(){
         ourInstance = new CraftManager();
+        serverThread = Thread.currentThread();
     }
 
     private CraftManager() {
@@ -166,7 +168,7 @@ public void addCraft(@NotNull Craft c, @Nullable Player p) {
     }
 
     public void removeCraft(@NotNull Craft c, @NotNull CraftReleaseEvent.Reason reason) {
-        CraftReleaseEvent e = new CraftReleaseEvent(c, reason);
+        CraftReleaseEvent e = new CraftReleaseEvent(c, reason, serverThread != Thread.currentThread());
         Bukkit.getServer().getPluginManager().callEvent(e);
         if (e.isCancelled())
             return;

modules/Movecraft/src/main/java/net/countercraft/movecraft/worldguard/WorldGuardCompatManager.java

@@ -46,13 +46,13 @@ public static void registerFlags() {
             flags = WorldGuard.getInstance().getFlagRegistry();
         }
         Movecraft.getInstance().getLogger().info("Registered custom flags");
-        if (flags.get("movecraft-move") != null)
+        if (flags.get("movecraft-move") == null)
             flags.register(FLAG_MOVE);
-        if (flags.get("movecraft-pilot") != null)
+        if (flags.get("movecraft-pilot") == null)
             flags.register(FLAG_PILOT);
-        if (flags.get("movecraft-rotate") != null)
+        if (flags.get("movecraft-rotate") == null)
             flags.register(FLAG_ROTATE);
-        if (flags.get("movecraft-sink") != null)
+        if (flags.get("movecraft-sink") == null)
             flags.register(FLAG_SINK);
     }
 

modules/api/dependency-reduced-pom.xml

@@ -159,6 +159,12 @@
         </exclusion>
       </exclusions>
     </dependency>
+    <dependency>
+      <groupId>com.destroystokyo.paper</groupId>
+      <artifactId>paper-api</artifactId>
+      <version>1.16.4-R0.1-SNAPSHOT</version>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
   <properties>
     <junit.platform.version>1.2.0</junit.platform.version>

modules/api/src/main/java/net/countercraft/movecraft/WorldHandler.java

@@ -22,4 +22,8 @@ public void addPlayerLocation(Player player, double x, double y, double z, float
         player.teleport(tpLoc);
         player.sendBlockChange(tpLoc.subtract(0,1,0), standingOn.getType(), standingOn.getData());
     }
+
+    public void loadChunk(MovecraftChunk chunk) {
+        chunk.getWorld().loadChunk(chunk.getX(), chunk.getZ());
+    }
 }

modules/api/src/main/java/net/countercraft/movecraft/events/CraftReleaseEvent.java

@@ -20,6 +20,11 @@ public CraftReleaseEvent(@NotNull Craft craft, @NotNull Reason reason) {
         this.reason = reason;
     }
 
+    public CraftReleaseEvent(@NotNull Craft craft, @NotNull Reason reason, boolean isAsync) {
+        super(craft, isAsync);
+        this.reason = reason;
+    }
+
     @NotNull
     public Reason getReason() {
         return reason;

modules/v1_15_R1/src/main/java/net/countercraft/movecraft/compat/v1_15_R1/IWorldHandler.java

@@ -1,5 +1,6 @@
 package net.countercraft.movecraft.compat.v1_15_R1;
 
+import net.countercraft.movecraft.MovecraftChunk;
 import net.countercraft.movecraft.MovecraftLocation;
 import net.countercraft.movecraft.Rotation;
 import net.countercraft.movecraft.WorldHandler;
@@ -49,6 +50,12 @@ public IWorldHandler() {
         }
     }
 
+    @Override
+    public void loadChunk(MovecraftChunk chunk) {
+        final WorldServer world = ((CraftWorld) chunk.getWorld()).getHandle();
+        world.getChunkProvider().getChunkAt(chunk.getX(), chunk.getZ(), ChunkStatus.FULL, true);
+    }
+
     @Override
     public void rotateCraft(@NotNull Craft craft, @NotNull MovecraftLocation originPoint, @NotNull Rotation rotation) {
         //*******************************************

pom.xml

@@ -7,9 +7,10 @@
     <version>parent</version>
     <dependencies>
         <dependency>
-            <groupId>org.spigotmc</groupId>
-            <artifactId>spigot-api</artifactId>
-            <version>1.15-R0.1-SNAPSHOT</version>
+            <groupId>com.destroystokyo.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.16.4-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
         </dependency>
     </dependencies>
     <name>Movecraft Parent Pom</name>
@@ -43,6 +44,10 @@
             <id>spigot-repo</id>
             <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
         </repository>
+        <repository>
+            <id>papermc</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+        </repository>
     </repositories>
 
     <build>